Search Results for: macchiarini

Swedish prosecutor won’t pursue criminal case against Macchiarini

A Swedish prosecutor has announced she won’t continue investigating a former star surgeon who has since fallen from grace. Paolo Macchiarini made a name for himself by transplanting synthetic tracheas. After multiple patients died, however, allegations against the researcher have continued to swirl. He was dismissed from the Karolinska Institutet last year, after it reopened … Continue reading Swedish prosecutor won’t pursue criminal case against Macchiarini

“It’s been three tough years:” Macchiarini whistleblower cleared of previous charges

Karl-Henrik Grinnemo was worried. The doctor and clinical researcher at the Karolinska Institute was working with a high-profile surgeon who was performing a potentially life-saving procedure on patients, but Grinnemo saw that the patients weren’t doing very well. So in 2013, Grinnemo and three other doctors raised concerns about the work of Paolo Macchiarini. The … Continue reading “It’s been three tough years:” Macchiarini whistleblower cleared of previous charges

Macchiarini blames Karolinska for losing data as he retracts 2014 paper

Ask and ye shall receive: A journal has retracted a 2014 paper by Paolo Macchiarini, upon request from the Karolinska Institutet (KI). The latest news is only one step in a long-running saga about former star surgeon Macchiarini, who was dismissed from KI last year. To read more, check out our timeline. KI announced it was … Continue reading Macchiarini blames Karolinska for losing data as he retracts 2014 paper

Karolinska requests retraction of 2014 Macchiarini paper

It has been a tough couple of years for surgeon Paolo Macchiarini, once lauded for pioneering a groundbreaking procedure to transplant tracheas. After a series of documentaries prompted his former employer, Karolinska Institutet (KI), to reopen a misconduct investigation against him, KI has today released one verdict regarding a 2014 Nature Communications paper: guilty. KI said … Continue reading Karolinska requests retraction of 2014 Macchiarini paper

Posts you may have missed: Macchiarini logs EoC, 4 retractions for cardiovascular researcher

We get email glitches from time to time, and some alerts don’t go out to readers. In cased you missed them, here are two posts from this week that didn’t make it into your inbox: Paper by troubled surgeon Macchiarini is flagged by a Nature journal over data concerns Cardiovascular researcher in Taiwan logs four … Continue reading Posts you may have missed: Macchiarini logs EoC, 4 retractions for cardiovascular researcher

Macchiarini paper in Nature journal earns expression of concern for data questions

Nature Communications has issued an expression of concern for a 2014 paper by beleaguered surgeon Paolo Macchiarini, citing concerns over whether the paper accurately reports the experiments that were carried out. According to the notice, Macchiarini, a former rising star in the field of transplant medicine, agrees with the expression of concern. Three of his 22 … Continue reading Macchiarini paper in Nature journal earns expression of concern for data questions

Meet the filmmakers who cracked open the case against star surgeon Macchiarini

Paolo Macchiarini — once a world-renowned surgeon for creating tracheas from cadavers and patients’ own stem cells – has been dogged for years by accusations of misconduct. Officials at his institution, Karolinska Institute, initially cleared him of many charges, but that all changed earlier this year, when Swedish Television (SVT) aired a series of documentaries about Macchiarini … Continue reading Meet the filmmakers who cracked open the case against star surgeon Macchiarini

Weekend reads: Macchiarini guilty of misconduct; controversial PACE data to be released; gender bias at conferences

This week at Retraction Watch featured the return of a notorious fraudster, and plagiarism of plagiarism. Here’s what was happening elsewhere:

Macchiarini did not obtain necessary ethics approvals, says Swedish Research Council

Surgeon Paolo Macchiarini did not apply for the necessary ethics approval to perform the pioneering transplants he’s known for, according to the Swedish Research Council. Chief Legal Counsel Anna Hörnlund, who wrote a letter in this week’s The Lancet, says Macchiarini’s work needed to obtain ethical approval from one of six regional ethical review boards, as required by … Continue reading Macchiarini did not obtain necessary ethics approvals, says Swedish Research Council

Lancet issues expression of concern for 2011 Macchiarini paper

The Lancet has tagged an expression of concern onto a seminal 2011 paper by Paolo Macchiarini, the Italian surgeon whose work and conduct outside the operating room has earned months of  heavy criticism that recently culminated in his dismissal from the Karolinska Institutet. “Tracheobronchial transplantation with a stem-cell-seeded bioartificial nanocomposite: a proof-of-concept study,” which described the first … Continue reading Lancet issues expression of concern for 2011 Macchiarini paper